/** * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ /** * @module link/unlinkcommand */ import Command from '@ckeditor/ckeditor5-core/src/command'; import findLinkRange from './findlinkrange'; /** * The unlink command. It is used by the {@link module:link/link~Link link plugin}. * * @extends module:core/command~Command */ export default class UnlinkCommand extends Command { /** * @inheritDoc */ refresh() { this.isEnabled = this.editor.model.document.selection.hasAttribute( 'linkHref' ); } /** * Executes the command. * * When the selection is collapsed, removes the `linkHref` attribute from each node with the same `linkHref` attribute value. * When the selection is non-collapsed, removes the `linkHref` attribute from each node in selected ranges. * * @fires execute */ execute() { const editor = this.editor; const model = this.editor.model; const selection = model.document.selection; const linkCommand = editor.commands.get( 'link' ); model.change( writer => { // Get ranges to unlink. const rangesToUnlink = selection.isCollapsed ? [ findLinkRange( selection.getFirstPosition(), selection.getAttribute( 'linkHref' ), model ) ] : selection.getRanges(); // Remove `linkHref` attribute from specified ranges. for ( const range of rangesToUnlink ) { writer.removeAttribute( 'linkHref', range ); // If there are registered custom attributes, then remove them during unlink. if ( linkCommand ) { linkCommand.customAttributes.forEach( ( val, key ) => { writer.removeAttribute( key, range ); } ); } } } ); } }